var sc_project=4640017; 
var sc_invisible=0; 
var sc_partition=56; 
var sc_click_stat=1; 
var sc_security="a70e9c4c"; 

setTimeout("changeDiv()", 5000);
setInterval("changeDiv()", 5000);

function changeDiv() {
var ObjADiv = document.getElementById("container1");
var ObjBDiv = document.getElementById("container2");

if(ObjADiv.style.display == "block"){
ObjADiv.style.display = "none";
ObjBDiv.style.display = "block";
}
else{
ObjADiv.style.display = "block";
ObjBDiv.style.display = "none";
}
}